TO: Mayor and Commissioners
FROM: John Morgan, Director Environmental Services
THROUGH: Donald B. Cooper, City Manager
DATE: September 8, 2016
Title
SERVICE AUTHORIZATION NO. 12-16 WITH WANTMAN GROUP, INC. FOR THE DESIGN AND CONSTRUCTION ADMINISTRATION FOR THE CITY MARINA SEAWALL AND DOCK IMPROVEMENTS
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Recommended Action:
Recommendation
Motion to Approve Service Authorization No. 12-16 with Wantman Group, Inc. in a not-to-exceed amount of $96,764.32 for the City Marina seawall and docks improvements along the Intracoastal Waterway (Project No. 16-098).
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Background:
As a result of a many years of seasonal high tide events, The City Marina has experienced structural damage to the existing boat docks along with minor damage to the existing seawall. Furthermore, continual wave action from boat wakes through this stretch of the Intracoastal Waterway has also exacerbated the structural damage to the existing docks. Moreover, during high tides the water levels in the Intracoastal Waterway have overtopped the seawalls resulting in damage to the grounds and infrastructure.
The Wantman Group is a City approved engineering consulting firm retained through RFQ No. 2012-06. The Wantman Group, Inc. will be tasked to perform structural engineering design, engineering, permitting, along with construction administration services to adapt the elevation of the seawall cap to changing sea level and replace the existing docks located at the City Marina.
It is envisioned that the seawall adaptation measures will allow for incremental increases in the seawall elevation to adjust to changing conditions over the design life of the infrastructure. At this time the most eminent sea level rise experts recommend planning for a three foot rise in sea level by the end of the century. The engineering consultants are also evaluating the feasibility and permitability of floating docks. Design and engineering will commence in early FY 2017.
To date in FY2016 Commission has approved authorizations for this Agreement in the amount of $409,596.
This recommendation is in accordance with the City Code of Ordinances, Chapter 36, Section 36.06(A)(2), "Change Orders Within the Scope of Work."
City Attorney Review:
Approved as to form and legal sufficiency.
Finance Department Review:
Finance recommends approval.
Funding Source:
Funding is available from Parks and Recreation Account No. 426-4311-575-31.30 after a budget transfer.
Timing of Request:
The engineering plans should be completed as soon as feasible do to the safety concerns for the docks and seawalls.